acknowledge
agreement
announcement
authorization
authorized
business
casual
communication
company
confirm
confirmation
contraband
contract
cover
data
disclosure
document
free
grunge
industry
informal
information
law
legal
member
news
no
non
not
notification
official
officious
paperwork
private
record
report
requirement
result
rubber
rumor
secret
stamp
statement
unauthorized
unconfirmed
unofficial
unorthodox
unsanctioned
word